作为一种重要的纠纷解决机制——诉讼,其解决纠纷有赖于诉讼过程的公正,尤其是对案件事实真相的回复.为了解决争端,对于寻求事实真相方式而言,诉讼经历了神示证据、法定证据、自由心证的证据制度的演变.本文指出证据问题是诉讼理论和司法实践中的重点、难点问题,作为诉讼制度的核心,证据制度的改革与完善,是实现司法公正的重要保证. As an important mechanism of dispute resolution - litigation, dispute resolution depends on the justice of the litigation process, especially on the truth of the case.In order to resolve the dispute, the lawsuit has gone through God - Legal evidence and evidential evidential evidence system.This paper points out that the evidence issue is the key and difficult issue in the litigation theory and judicial practice. As the core of the litigation system, the reform and improvement of the evidence system is an important guarantee of judicial justice.